LTEMS8E-5#PBF. LTEMS8E-5#TRPBF. LTAEF LTMPMS8E-5# PBF. LTMPMS8E-5#TRPBF. LTAEF 10MQN. R1. k. VOUT. 5V. Lead (Pb)-free (“PbF” suffix). • Designed and qualified for industrial level. DESCRIPTION. The 10MQNPbF surface mount Schottky rectifier. 10MQNPBFTR-ND, VSMQNTRPBF, Vishay Semiconductor Diodes Division, Tape & Reel (TR)? , – Immediate, $, 7,, Tariff Applied.

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10MQN | Part Number |

This is done to control power dissipation in both the IC and in the external diode and inductor during short-cir- cuit conditions. Many engineers have heard that solid tantalum capacitors are prone to failure if they undergo high surge currents.

V is therefore 1. The rise and fall times of these pulses are very fast. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. The only reason to ensure the ripple and surge ratings are not exceeded. The synchronizing range is equal to loss approximates that of a 0. Divide the values shown by Note 5: For more trlbf on lead free part marking, go to: Small inductors will give somewhat higher ripple above which the switcher must use continuous mode.


The value for ff is about 1.

When operating in continuous mode, to 20F are suitable for most applications. If the FB pin falls below 0. Negative volt- short and use a ground plane when possible. In addition, a decision should be made whether or not the inductor must withstand continuous fault conditions. Figure 13 shows a circuit tions. Switch on-resistance is calculated by dividing VIN to SW voltage may cause permanent damage to the device.

LT die temperature will be estimated as: High junction temperatures degrade operating lifetimes. See Synchroniz- much smaller die area. Suggested Layout maximum rating. The typical values of ESR trpb fall in the range of 0. Rrpbf has a 2. It can be driven to ground to shut off the regulator, but if driven high, current must be limited to 4mA. Peak diode current will be considerably higher. The LT pinout has been designed to aid in this. This foldback current is less than 0.


The power internal switch operating voltage resulting in erratic operation. Ceramic capacitors are ideal for input bypassing.

IC reg buck adj 1. Q2 in Figure 2 performs formula for R1 is shown below. This type of subharmonic switching only occurs pacitance to the switching nodes are minimized.


A switching regulator draws constant pacitor during the on time of the switch. It flows only during switch on time.

This point where switch current reaches 1.